Pilots from the 36th Fighter Squadron, U.S. Air Force, and the 121st Fighter Squadron, Republic of Korea air force, pose for a photo before takeoff during Buddy Wing 16-1 at Seosan Air Base, ROK, Jan. 28, 2016. The exercise, conducted throughout the year, is used to sharpen interoperability between the allied forces. (U.S. Air Force photo by Senior Airman Kristin High/Released)